Home / 315,633.04-473,168.16-115,907.68

Finding the Fourth Proportional to 315,633.04, 473,168.16 and 115,907.68

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Solution

The fourth proportional to 315,633.04, 473,168.16 and 115,907.68 is: 173,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,633.04 : 473,168.16 = 115,907.68 : x
  2. Step 2: Convert to fraction form
    315,633.04/473,168.16 = 115,907.68/x
  3. Step 3: Cross multiply
    315,633.04x = 473,168.16 × 115,907.68
  4. Step 4: Simplify right side
    315,633.04x = 54,843,823,675.47
  5. Step 5: Solve for x
    x = 54,843,823,675.47/315,633.04
  6. Step 6: Final answer
    x = 173,758.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.